Sanyo Denki SANMOTION 3E S, Instruction Manual, Page: 304 / 488

8. Maintenance
8-33
■
Alarm Code B0 to BF (External Absolute Encoder Internal Error 0 to 15)
Status at the time of alarm
Cause
1 2
Issued when control power is turned ON.
✔
Issued during operation.
✔ ✔

Corrective actions
Cause Investigation and corrective actions
1
■
Defect in internal circuit of external
encoder.
■
Turn ON the power supplies again, if not
corrected, replace the external encoder.
2
■
Malfunction due to noise
■
Confirm proper grounding of the
amplifier.
■
Check the shielding of the encoder cable.
■ Add ferrite core or similar
countermeasures to against noise.